CVE-2017-1000415 : What You Need to Know

MatrixSSL version 3.7.2 improperly validates UTCTime date ranges in the X.509 certificate validation process, potentially extending certificate expiration years by 100.

Understanding CVE-2017-1000415

One issue found in the X.509 certificate validation process of MatrixSSL version 3.7.2 is that it improperly validates UTCTime date ranges. As a result, certain certificates may have their expiration year increased by 100 years.

What is CVE-2017-1000415?

CVE-2017-1000415 highlights a vulnerability in MatrixSSL version 3.7.2 that leads to incorrect validation of UTCTime date ranges in X.509 certificates, causing potential expiration year extensions.

The Impact of CVE-2017-1000415

The vulnerability could result in certificates being considered valid for an additional 100 years beyond their actual expiration date, potentially leading to security risks and misinterpretation of certificate validity.

Technical Details of CVE-2017-1000415

MatrixSSL version 3.7.2's X.509 certificate validation process is affected by an incorrect UTCTime date range validation issue, impacting certificate expiration years.

Vulnerability Description

The flaw in MatrixSSL version 3.7.2 allows for the improper validation of UTCTime date ranges, leading to the extension of certificate expiration years by 100.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Version: Not applicable

Exploitation Mechanism

The vulnerability can be exploited by crafting certificates with manipulated UTCTime date ranges, tricking the validation process into extending the expiration year by 100.

Mitigation and Prevention

To address CVE-2017-1000415, immediate steps and long-term security practices are crucial.

Immediate Steps to Take

Monitor for security updates or patches from the vendor.
Consider alternative certificate validation mechanisms if available.

Long-Term Security Practices

Regularly update SSL libraries and dependencies.
Implement robust certificate validation processes to detect anomalies.

Patching and Updates

Apply patches or updates provided by MatrixSSL promptly to fix the UTCTime date range validation issue and prevent certificate expiration year extensions.